CN106892451A - For processing unit and its continuous construction technology except the refined tailings of vanadium mud - Google Patents
For processing unit and its continuous construction technology except the refined tailings of vanadium mud Download PDFInfo
- Publication number
- CN106892451A CN106892451A CN201710233625.6A CN201710233625A CN106892451A CN 106892451 A CN106892451 A CN 106892451A CN 201710233625 A CN201710233625 A CN 201710233625A CN 106892451 A CN106892451 A CN 106892451A
- Authority
- CN
- China
- Prior art keywords
- fluidisation
- bed
- except
- vanadium
- refined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 85
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000005243 fluidization Methods 0.000 claims abstract description 75
- 238000001354 calcination Methods 0.000 claims abstract description 72
- 239000002893 slag Substances 0.000 claims abstract description 55
- 238000001704 evaporation Methods 0.000 claims abstract description 38
- 230000008020 evaporation Effects 0.000 claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 239000002689 soil Substances 0.000 claims abstract description 25
- 241000370738 Chlorion Species 0.000 claims abstract description 15
- 238000006298 dechlorination reaction Methods 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 238000007670 refining Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910010062 TiCl3 Inorganic materials 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- 229910021551 Vanadium(III) chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- HQYCOEXWFMFWLR-UHFFFAOYSA-K vanadium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[V+3] HQYCOEXWFMFWLR-UHFFFAOYSA-K 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/02—Halides of titanium
- C01G23/022—Titanium tetrachloride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Abstract
The invention discloses a kind of processing unit and its continuous construction technology for except the refined tailings of vanadium mud, belong to metallurgical production equipment design and manufacturing technology field.A kind of can effectively removal is provided to refine except the processing unit and its continuous construction technology for refining tailings except vanadium mud of a large amount of chlorions in vanadium tailing soil.Described processing unit includes fluidisation vapo(u)rization system and fluidized calcining system, and described fluidisation vapo(u)rization system is linked in sequence with described fluidized calcining system；Described continuous construction technology includes that to be processed refining except vanadium mud and N will be needed2And/or Ar gases are continuously input into fluidisation evaporation bed, and dechlorination is dried under the heating of heating unit；Dry slag and air and/or oxygen after drying dechlorination are continuously input into fluidized calcining bed, are sintered under the heating of heating unit refined except vanadium tailing soil；And connection is collected and eliminates the refined except the several steps of vanadium tailing soil of most of chlorion.
Description
Technical field
The present invention relates to a kind of processing unit, more particularly, to a kind of processing unit for except the refined tailings of vanadium mud,
Belong to metallurgical production equipment design and manufacturing technology field.Processed except vanadium mud essence with the processing unit the invention further relates to a kind of
The continuous construction technology of tailings processed.
Background technology
Refined tailings is to be produced after refining except vanadium using crude titanic chloride obtained in chloridising by raw material containing titanium ore
Raw slag, is TiCl4One of typical solid discarded object in production process.Titanium tetrachloride can produce a large amount of chlorinations in subtractive process
Thing removes vanadium mud, and substantial amounts of hydrochloric acid, severe contamination environment can be discharged in its stacking process, while vanadium content is higher in slag,
Also result in the wasting of resources.Panxi Diqu is contained and its abundant v-ti magnetite ore resources, is that the rare many metals in the world are total to
Rawore.Content of vanadium is higher in the crude titanic chloride prepared as raw material chloridising with Panxi Diqu v-ti magnetite ore resources, greatly
About 5 ‰ or so.It is following that the significant of vanadium is reclaimed from refined tailings in terms of the utilization of resources and environmental protection two.
At present, for the mud containing vanadium produced in crude titanic chloride subtractive process, mainly added by after ore pulp evaporation
The method that lime is made the lime cake for being insoluble in water is stacked in slag or is directly stacked at slag, and it is refined that this mode is obtained
Tailings can not only carry out vanadium recovery, and the slag of generation occupies a large amount of land resources, adverse condition.If removing vanadium tail to refined
Slag carries out vanadium extraction, and because most of composition of the refined tailings of titanium tetrachloride is chloride, chlorion has larger to process for extracting vanadium equipment
Corrosivity, typically to be dechlorinated before vanadium extraction.Vanadium mud is removed for refined, if will while titanium tetrachloride is reclaimed
Vanadium is reclaimed, and will produce great economy and environmental benefit, and this also will be an important raw material sources of following vanadium product.
The content of the invention
The technical problems to be solved by the invention are：There is provided one kind can effectively remove it is refined except in vanadium tailing soil a large amount of chlorine from
The processing unit for refining tailings except vanadium mud of son.The present invention also provides a kind of processing unit and processes except vanadium mud
The continuous construction technology of refined tailings.
For the technical scheme that solution above-mentioned technical problem is used is：A kind for the treatment of dress for except the refined tailings of vanadium mud
Put, described processing unit includes fluidisation vapo(u)rization system and fluidized calcining system, described fluidisation vapo(u)rization system and described stream
Change calcination system to be linked in sequence；Dry slag after the fluidisation vapo(u)rization system is evaporated removal titanium tetrachloride, in described fluidisation
Be calcined in calcination system and removed after more than 80% chlorion be made it is refined except vanadium tailing soil.
It is further that described fluidisation vapo(u)rization system includes fluidisation evaporation bed and heating unit, described fluidisation evaporation
Bed is provided with material input, in the fluidisation by described heating unit heats in the middle and lower part of the fluidisation evaporation bed
The bottom for evaporating bed is provided with N2 and/or Ar gas input port, and the middle and upper part of the fluidisation evaporation bed is provided with dry slag delivery outlet,
Offgas outlet is provided with the top of the fluidisation evaporation bed, described fluidisation vapo(u)rization system passes through in the fluidisation evaporation bed
Dry slag delivery outlet and the described fluidized calcining system in portion are linked in sequence.
Such scheme it is preferable that, described processing unit also includes charging system, and described charging system includes
Loading hopper and conveying worm, the material input of the conveying worm are connected with described loading hopper, the helical feed
The material output end of machine is connected with the material input of fluidisation evaporation bed middle and lower part.
It is further that described fluidized calcining system includes fluidized calcining bed and heating unit, described fluidized calcining
Bed is provided with dry slag input port, in the fluidisation by described heating unit heats in the middle and lower part of fluidized calcining bed
The bottom for calcining bed is provided with air or oxygen input port, is provided with the middle and upper part of fluidized calcining bed refined except vanadium tailing soil
Delivery outlet, tail gas outlet is provided with the top of fluidized calcining bed, and described fluidized calcining system is by the fluidisation
The dry slag input port of calcining bed middle and lower part is linked in sequence with the fluidisation vapo(u)rization system.
Such scheme it is preferable that, described processing unit is also provided with the receipts slag ladle of exhaust outlet, institute including top
The receipts slag ladle stated is connected to described refined except on vanadium tailing soil delivery outlet.
It is further that described processing unit also includes titanium tetrachloride recovery system, the tail of the fluidisation vapo(u)rization system
Four described chlorinations of the tail gas outlet side of gas outlet side, the tail gas outlet side of the fluidized calcining system and the receipts slag ladle
Titanium recovery system is connected.
Such scheme it is preferable that, described titanium tetrachloride recovery system includes rotoclone collector, condenser and four
Titanium chloride storage tank, the output end of the rotoclone collector is connected with the middle and lower part of the condenser, the titanium-tetrachloride storage tank from
Bottom is connected with described condenser, the titanium tetrachloride recovery system by described rotoclone collector respectively and meanwhile with it is described
The tail gas outlet side connection of fluidisation vapo(u)rization system, the fluidized calcining system and the receipts slag ladle.
It is further that described titanium tetrachloride recovery system is also provided with the alkali liquor absorption tower of exhaust opening including top,
The condenser is connected by being disposed therein the delivery outlet on top with the middle and lower part of the alkali liquor absorption tower.
A kind of processing unit is processed except the continuous construction technology of the refined tailings of vanadium mud, described continuous construction work
Skill includes that to be processed refining except vanadium mud and N will be needed2It is single in heating and/or Ar gases are continuously input into fluidisation evaporation bed
Dechlorination is dried under the heating of unit；Dry slag and air and/or oxygen after drying dechlorination are continuously input into fluidized calcining bed,
It is sintered under the heating of heating unit refined except vanadium tailing soil；And connection is collected and eliminates the refined except vanadium tail of most of chlorion
The several steps of slag.
It is further that the temperature in fluidisation evaporation bed bed is maintained between 180 DEG C~220 DEG C, is refined and is removed vanadium mud institute
State, the residence time in fluidisation evaporation bed is 15min~30min；Temperature is maintained at 480 DEG C~650 DEG C in fluidized calcining bed bed
Between, residence time of the qualified dry slag of dry dechlorination in fluidized calcining bed is 60min.
The beneficial effects of the invention are as follows：The application sets up a set of fluidized calcining again by existing fluidisation vapo(u)rization system
System constitutes processing unit described herein, and described fluidisation vapo(u)rization system is connected with described fluidized calcining system order
Connect, so, the dry slag after the fluidisation vapo(u)rization system is evaporated removal titanium tetrachloride is forged in described fluidized calcining system
Burn and remove be made again after more than 80% chlorion it is refined except vanadium tailing soil.Due to the application provide it is above-mentioned for except vanadium mud
The fluidisation vapo(u)rization system of the processing unit of refined tailings is linked in sequence with described fluidized calcining system, such that it is able to realize to removing
The continuous construction operation of the refined tailings of vanadium mud, specific step will need to be processed refined except vanadium mud and N2And/or Ar
Gas is continuously input into fluidisation evaporation bed, and dechlorination is dried under the heating of heating unit；Dry slag and sky after drying dechlorination
Gas and/or oxygen are continuously input into fluidized calcining bed, are sintered under the heating of heating unit refined except vanadium tailing soil；And connection
Collection eliminates the refined except several steps such as vanadium tailing soils of most of chlorion.By use the application provide processing unit with
And the continuous construction technology that the application is provided is equipped with, and just can effectively remove and refine except a large amount of chlorions in vanadium tailing soil, reach
Substantially reduce except refined except vanadium tailing soil is to the corrosion harmfulness of vanadium extraction equipment.
Brief description of the drawings
Fig. 1 is structure rough schematic view of the present invention for the processing unit except the refined tailings of vanadium mud.
Marked in figure：Fluidisation vapo(u)rization system 1, fluidized calcining system 2, fluidisation evaporation bed 3, the input of heating unit 4, material
Mouthfuls 5, N2 and/or Ar gas input port 6, dry slag delivery outlet 7, offgas outlet 8, charging system 9, loading hopper 10, conveying worm 11,
Fluidized calcining bed 12, dry slag input port 13, air or oxygen input port 14, refined remove vanadium tailing soil delivery outlet 15, tail gas outlet
16th, exhaust outlet 17, receive slag ladle 18, titanium tetrachloride recovery system 19, rotoclone collector 20, condenser 21, titanium-tetrachloride storage tank 22,
Exhaust opening 23, alkali liquor absorption tower 24.
Specific embodiment
Be as shown in Figure 1 that the present invention is provided it is a kind of can effectively remove it is refined except in vanadium tailing soil a large amount of chlorions be used for
Except the processing unit of the refined tailings of vanadium mud, and processed except the continuous construction work of the refined tailings of vanadium mud with the processing unit
Skill.Described processing unit includes fluidisation vapo(u)rization system 1 and fluidized calcining system 2, described fluidisation vapo(u)rization system 1 with it is described
Fluidized calcining system 2 is linked in sequence；Dry slag after the fluidisation vapo(u)rization system 1 is evaporated removal titanium tetrachloride, described
Be calcined in fluidized calcining system 2 and removed after more than 80% chlorion be made it is refined except vanadium tailing soil.There is provided due to the application
Fluidisation vapo(u)rization system 1 described in above-mentioned processing unit is linked in sequence with described fluidized calcining system 2, and is refined except vanadium mud
In the processing procedure of tailings, make the dry slag after the fluidisation vapo(u)rization system 1 is evaporated removal titanium tetrachloride, then in described stream
Change be calcined in calcination system 2 and remove be made after more than 80% chlorion it is refined except vanadium tailing soil.Can effectively be gone so as to reach
Except refined except the purpose of a large amount of chlorions in vanadium tailing soil.
In above-mentioned implementation method, in order to simplify the knot of fluidisation vapo(u)rization system 1 described herein and fluidized calcining system 2
Structure, while the calcining for being evaporated and removing the dry slag after titanium tetrachloride containing vanadium mud can easily be realized again, it is herein described
Fluidisation vapo(u)rization system 1 include fluidisation evaporation bed 3 and heating unit 4, described fluidisation evaporation bed 3 is by described heating unit
4 heating, material input 5 is provided with the middle and lower part of the fluidisation evaporation bed 3, is set in the bottom of the fluidisation evaporation bed 3
There is N2 or Ar gas input port 6, the middle and upper part of the fluidisation evaporation bed 3 is provided with dry slag delivery outlet 7, in the fluidisation evaporation bed
3 top is provided with offgas outlet 8, and described fluidisation vapo(u)rization system 1 is exported by the dry slag of fluidisation evaporation bed 3 middle and upper part
Mouth 7 is linked in sequence with described fluidized calcining system 2；Fluidized calcining system described herein 2 includes fluidized calcining 12 Hes of bed
Heating unit 4, described fluidized calcining bed 12 is heated by described heating unit 4, in the fluidized calcining bed 12 under
Portion is provided with dry slag input port 13, the bottom of fluidized calcining bed 12 is provided with air or oxygen input port 14, described
The middle and upper part of fluidized calcining bed 12 is provided with and refines except vanadium tailing soil delivery outlet 15, is provided with the top of fluidized calcining bed 12
Tail gas outlet 16, described fluidized calcining system 2 passes through dry slag input port 13 and the institute of 12 middle and lower parts of fluidized calcining bed
Fluidisation vapo(u)rization system 1 is stated to be linked in sequence.By the fluidisation vapo(u)rization system 1 and fluidized calcining of the said structure using the application offer
System 2 just can easily realize the calcining for being evaporated and removing the dry slag after titanium tetrachloride containing vanadium mud.
Because the application uses continuous construction technology, therefore, for further improve production efficiency, reducing operation
The labour intensity of personnel, improves the working environment of operating personnel, and reduce the harm that emission is caused to same surrounding environment.This Shen
Further improvement is please carried out to described processing unit, i.e., described processing unit also includes charging system 9, and described adds
Material system 9 includes loading hopper 10 and conveying worm 11, the material input of the conveying worm 11 and described loading hopper
10 connections, the material output end of the conveying worm 11 is connected with the material input 5 of fluidisation evaporation bed 3 middle and lower part,
To realize the continuous input of raw material；Described processing unit is also provided with the receipts slag ladle 18 and tetrachloro of exhaust outlet 17 including top
Change titanium recovery system 19, its specific connected mode is that described receipts slag ladle 18 is connected to described refined except vanadium tailing soil delivery outlet
On 15.The tail gas outlet side for fluidizing vapo(u)rization system 1, the tail gas outlet side of the fluidized calcining system 2 and the receipts slag
The described titanium tetrachloride recovery system 19 of the tail gas outlet side of tank 18 is connected.Additionally, described titanium tetrachloride recovery system 19
Preferred embodiment be to include rotoclone collector 20, condenser 21 and titanium-tetrachloride storage tank 22, the output of the rotoclone collector 20
End is connected with the middle and lower part of the condenser 21, and the titanium-tetrachloride storage tank 22 is connected from bottom with described condenser 21, institute
Tail gas of the titanium tetrachloride recovery system 19 by described rotoclone collector 21 respectively simultaneously with the fluidisation vapo(u)rization system 1 is stated to arrange
Go out the tail gas outlet side connection of end, the tail gas outlet side of the fluidized calcining system 2 and the receipts slag ladle 18.For the row of reduction
The harm that thing is caused to same surrounding environment is put, titanium tetrachloride recovery system 19 described herein is also provided with exhaust opening including top
23 alkali liquor absorption tower 24, the condenser 21 is by being disposed therein in the delivery outlet on top and the alkali liquor absorption tower 24
Bottom connects.
After having the processing unit of said structure, described continuous construction technology just can be carried out using following steps
, i.e., described continuous construction technology will be including that will need to be processed refining except vanadium mud and N2And/or Ar gases are continuously input into
In fluidisation evaporation bed, dechlorination is dried under the heating of heating unit；Dry slag and air and/or oxygen after drying dechlorination connect
In continuous input fluidized calcining bed, it is sintered under the heating of heating unit refined except vanadium tailing soil；And connection collection is eliminated greatly
The refined of part chlorion removes the several steps of vanadium tailing soil, and in order to improve treatment effect, reduces processing cost, after start to process,
Temperature in fluidisation evaporation bed bed is maintained between 180 DEG C~220 DEG C, is refined and is removed described in vanadium mud, stopping in fluidisation evaporation bed
It is 15min~30min to stay the time；Temperature is maintained between 480 DEG C~650 DEG C in fluidized calcining bed bed, dries dechlorination qualified
Residence time of the dry slag in fluidized calcining bed is 60min.
Embodiment one
Show except the continuous processing system containing vanadium mud that vanadium is produced describes the present invention in detail below with reference to crude titanic chloride
The handling process of example property embodiment.
With organic matter except the mud containing vanadium of vanadium process generation is as raw material, i.e., the described slurry containing navajoite removes vanadium to the technique by aliphatic acid
Process is produced, and is by weight percentage the TiCl containing 60-75% in its main component4, 8-10%TiCl3, 10-22%
VOCl2Or VCl3, the gas described in processing procedure is N2And/or Ar, used as the fluidizing gas of evaporation, air or oxygen is used as forging
The fluidizing gas of burning, specific embodiment is：
No. 1 fluid bed is heated to 200 DEG C, N is passed through2Or Ar, vanadium mud will be contained by screw feeder and add No. 1 fluidisation
In bed, gas velocity is adjusted, it is 20min to be kept for residence time of the mud containing vanadium in No. 1 fluid bed, and the dry slag after being evaporated passes through deslagging
Mouthful enter No. 2 fluid beds, the titanium tetrachloride that is produced in evaporation process and other other enter rotoclone collector；Do not entered in dry slag
Before No. 2 fluid beds, No. 2 fluid beds need to be heated to 600 DEG C, be passed through air or oxygen, adjust the gas velocity of air or oxygen, kept
Residence time of the dry slag in No. 2 fluid beds is 60min, during the chlorine generated in this calcination process enters rotoclone collector,
The refined tailings obtained after calcining enters receipts slag ladle；Also entered in receipts slag ladle by the solid small particles produced after cyclonic separation,
Gas enters in condenser, and the titanium tetrachloride after cooling enters in titanium tetrachloride holding vessel；The relatively low tail gas of boiling point then enters alkali
In liquid absorption tower, can both be discharged through the tail gas after alkali liquor absorption.
Chloride ion content is 29.43% in refined tailings before not calcining, and vanadium contains in the refined tailings obtained under this technique
It is 16.9% to measure, and chloride ion content is only 0.975%.
Claims (10)
1. a kind of processing unit for except the refined tailings of vanadium mud, it is characterised in that：Described processing unit includes that fluidisation is steamed
Hair system (1) and fluidized calcining system (2), described fluidisation vapo(u)rization system (1) sequentially connect with described fluidized calcining system (2)
Connect；Dry slag after fluidisation vapo(u)rization system (1) is evaporated removal titanium tetrachloride, in described fluidized calcining system (2)
Be calcined and remove after more than 80% chlorion be made it is refined except vanadium tailing soil.
2. the processing unit for except the refined tailings of vanadium mud according to claim 1, it is characterised in that：Described fluidisation
Vapo(u)rization system (1) includes fluidisation evaporation bed (3) and heating unit (4), and described fluidisation evaporates bed (3) by described heating list
First (4) heating, material input (5) is provided with the middle and lower part of fluidisation evaporation bed (3), in fluidisation evaporation bed (3)
Bottom be provided with N2 and/or Ar gas input port (6), it is described fluidisation evaporation bed (3) middle and upper part be provided with dry slag delivery outlet
(7) offgas outlet (8), is provided with the top of fluidisation evaporation bed (3), described fluidisation vapo(u)rization system (1) is by described
The dry slag delivery outlet (7) of fluidisation evaporation bed (3) middle and upper part is linked in sequence with described fluidized calcining system (2).
3. the processing unit for except the refined tailings of vanadium mud according to claim 2, it is characterised in that：Described treatment
Device also includes charging system (9), and described charging system (9) includes loading hopper (10) and conveying worm (11), the spiral shell
The material input of rotation conveyer (11) is connected with described loading hopper (10), the material output end of the conveying worm (11)
The material input (5) with fluidisation evaporation bed (3) middle and lower part is connected.
4. the processing unit for except the refined tailings of vanadium mud according to claim 1, it is characterised in that：Described fluidisation
Calcination system (2) includes fluidized calcining bed (12) and heating unit (4), and described fluidized calcining bed (12) is by described heating
Unit (4) is heated, and the middle and lower part of fluidized calcining bed (12) is provided with dry slag input port (13), in fluidized calcining bed
(12) bottom is provided with air or oxygen input port (14), and the middle and upper part of fluidized calcining bed (12) is provided with refined removing
Vanadium tailing soil delivery outlet (15), tail gas outlet (16) is provided with the top of fluidized calcining bed (12), and described fluidisation is forged
Burning system (2) is suitable with fluidisation vapo(u)rization system (1) by the dry slag input port (13) of fluidized calcining bed (12) middle and lower part
Sequence is connected.
5. the processing unit for except the refined tailings of vanadium mud according to claim 4, it is characterised in that：Described treatment
Device is also provided with the receipts slag ladle (18) of exhaust outlet (17) including top, and described receipts slag ladle (18) is connected to described refined except vanadium
On tailings delivery outlet (15).
6. the processing unit for except the refined tailings of vanadium mud according to claim 5, it is characterised in that：Described treatment
Device also includes titanium tetrachloride recovery system (19), tail gas outlet side, the fluidized calcining system of fluidisation vapo(u)rization system (1)
The tail gas outlet side of system (2) and the described titanium tetrachloride recovery system (19) of the tail gas outlet side of the receipts slag ladle (18) are even
Connect.
7. the processing unit for except the refined tailings of vanadium mud according to claim 6, it is characterised in that：Described tetrachloro
Changing titanium recovery system (19) includes rotoclone collector (20), condenser (21) and titanium-tetrachloride storage tank (22), the cyclone dust collection
The output end of device (20) is connected with the middle and lower part of the condenser (21), the titanium-tetrachloride storage tank (22) from bottom with it is described
Condenser (21) connect, the titanium tetrachloride recovery system (19) by described rotoclone collector (21) respectively and meanwhile with it is described
Fluidize tail gas outlet side, the tail gas outlet side of the fluidized calcining system (2) and the receipts slag ladle (18) of vapo(u)rization system (1)
Tail gas outlet side connection.
8. the processing unit for except the refined tailings of vanadium mud according to claim 7, it is characterised in that：Described tetrachloro
Change the alkali liquor absorption tower (24) that titanium recovery system (19) is also provided with exhaust opening (23) including top, the condenser (21) passes through
The delivery outlet for being disposed therein top is connected with the middle and lower part of the alkali liquor absorption tower (24).
9. a kind of continuous construction technology for processing unit described in claim 8, it is characterised in that：Described continuous construction work
Skill includes that to be processed refining except vanadium mud and N will be needed2It is single in heating and/or Ar gases are continuously input into fluidisation evaporation bed
Dechlorination is dried under the heating of unit；Dry slag and air and/or oxygen after drying dechlorination are continuously input into fluidized calcining bed,
It is sintered under the heating of heating unit refined except vanadium tailing soil；And connection is collected and eliminates the refined except vanadium tail of most of chlorion
The several steps of slag.
10. continuous construction technology according to claim 9, it is characterised in that：After start to process, in fluidisation evaporation bed bed
Temperature is maintained between 180 DEG C~220 DEG C, is refined except described in vanadium mud, the residence time in fluidisation evaporation bed for 5min~
5min；Temperature is maintained between 380 DEG C~420 DEG C in fluidized calcining bed bed, dries the qualified dry slag of dechlorination in fluidized calcining bed
The interior residence time is 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233625.6A CN106892451A (en) | 2017-04-11 | 2017-04-11 | For processing unit and its continuous construction technology except the refined tailings of vanadium mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233625.6A CN106892451A (en) | 2017-04-11 | 2017-04-11 | For processing unit and its continuous construction technology except the refined tailings of vanadium mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106892451A true CN106892451A (en) | 2017-06-27 |
Family
ID=59196259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710233625.6A Pending CN106892451A (en) | 2017-04-11 | 2017-04-11 | For processing unit and its continuous construction technology except the refined tailings of vanadium mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106892451A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857295A (en) * | 2017-11-13 | 2018-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Organic matter removes vanadium mud energy saving resources Application way and device |
| CN108677035A (en) * | 2018-08-31 | 2018-10-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization |
| CN115821071A (en) * | 2022-12-13 | 2023-03-21 | 攀钢集团攀枝花钢铁研究院有限公司 | Treatment method of titanium tetrachloride vanadium-removing slurry |
| CN117488104A (en) * | 2023-11-02 | 2024-02-02 | 聚挪机械科技(上海)有限公司 | Method for preparing high-vanadium slag by treating vanadium-containing slurry by fluidized bed |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936063A (en) * | 2014-04-22 | 2014-07-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Method and system for recycling vanadium-containing mud generated in vanadium removal process of crude titanium tetrachloride |
| CN104004920A (en) * | 2014-06-11 | 2014-08-27 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from titanium tetrachloride refined tailings |
-
2017
- 2017-04-11 CN CN201710233625.6A patent/CN106892451A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936063A (en) * | 2014-04-22 | 2014-07-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Method and system for recycling vanadium-containing mud generated in vanadium removal process of crude titanium tetrachloride |
| CN104004920A (en) * | 2014-06-11 | 2014-08-27 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from titanium tetrachloride refined tailings |
Non-Patent Citations (4)
| Title |
|---|
| 卢寿慈等: "《粉体技术手册》", 31 July 2004, 化学工业出版社 * |
| 李良等: ""TiCl4精制尾渣的回收利用研究"", 《钢铁钒钛》 * |
| 苏力宏: "《化学反应工程》", 30 September 2015, 西北工业大学出版社 * |
| 莫畏等: "《钛冶炼》", 31 July 2011, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857295A (en) * | 2017-11-13 | 2018-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Organic matter removes vanadium mud energy saving resources Application way and device |
| CN108677035A (en) * | 2018-08-31 | 2018-10-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization |
| CN115821071A (en) * | 2022-12-13 | 2023-03-21 | 攀钢集团攀枝花钢铁研究院有限公司 | Treatment method of titanium tetrachloride vanadium-removing slurry |
| CN117488104A (en) * | 2023-11-02 | 2024-02-02 | 聚挪机械科技(上海)有限公司 | Method for preparing high-vanadium slag by treating vanadium-containing slurry by fluidized bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106892451A (en) | For processing unit and its continuous construction technology except the refined tailings of vanadium mud | |
| CN105132950B (en) | The system and method for full graphitized carbon cellulose product is produced with electrolytic aluminium waste cathode carbon block | |
| US11286162B2 (en) | System and method for recovering sulfur in copper smelting process | |
| CN109160511B (en) | Graphite purification device and method | |
| CN105984896B (en) | A kind of purification prepares the system and method for high purity vanadic anhydride powder | |
| WO2011148040A1 (en) | Method for processing spodumene | |
| CN109179469A (en) | A kind of device and method using carbide slag production active calcium oxide | |
| CN102352437A (en) | Method for treating hydrochloric acid leachate of ferrotitanium materials | |
| CN103183380A (en) | Feeding method and feeding equipment for titanium dioxide calcination rotary kiln | |
| CN106669962B (en) | A kind of application method for the beneficiation method of the siliceous phosphorus ore of calcareous or calcium, ore-sorting system and ore-sorting system | |
| CN107189799A (en) | Material copyrolysis reaction system and method for pyrolysis | |
| CN106241842A (en) | The production method of light magnesium carbonate | |
| CN101462767A (en) | Preparation of crude titanic chloride | |
| CN106987708A (en) | A kind of defluorinate calciner and technique containing lithium minerals | |
| CN104492106B (en) | A kind of coking desulfurization sulfur foam and the drying means of desulfurization waste liquor | |
| CN112266013B (en) | System and process for producing titanium tetrachloride from high-calcium magnesium titanium dioxide | |
| CN110306037A (en) | A kind of device and method of high-sulfur bauxite suspension roasting oxidation sweetening | |
| CN111282961B (en) | System and method for disposing dust collection ash of steel plant by using mesh belt type suspension combined reduction furnace | |
| CN107857295A (en) | Organic matter removes vanadium mud energy saving resources Application way and device | |
| CN107555478B (en) | A kind of chloridising prepares the system and method for high purity vanadic anhydride powder | |
| CN107902686A (en) | A kind of precipitated calcium carbonate intelligent ecological utilization of resources production method | |
| CN106917108A (en) | A kind of production technology of magnesium metal | |
| CN201061757Y (en) | Enclosed slagoff device for fluidized bed chlorination furnace | |
| CN106904662B (en) | A kind of device producing particle ferrous sulfate | |
| CN206986000U (en) | A kind of municipal sludge processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |